Which again seems like more of an excuse than a reason. If people were hit simply because they didn't say a proper goodbye you'd rightfully assume there'd be a lot more bodies on the street.

IMO the order came from Massino not Rastelli. Rastelli was near the end of his tenure and I think Joe viewed Cesear as a threat.

You don't whack a capo because of a slight of manners.

MORGAN: Why didn't you fight him at the park if you wanted to? I'm not goin' now, I'm eatin' my snack.
CHUCKIE: Morgan, Let's go.
MORGAN: I'm serious Chuckie, I ain't goin'.
WILL: So don't go.